A slight discomfort may be noticed as in menstruation, but there is no significant pain. Normally, the woman does not notice anything and does not realize that implantation has taken place until the pregnancy test is done and she tests positive.
Degree in Biochemistry and Molecular Biology from the University of the Basque Country (UPV/EHU). Master's Degree in Human Assisted Reproduction from the Complutense University of Madrid (UCM). Certificate of University Expert in Genetic Diagnosis Techniques from the University of Valencia (UV).